Material: ABS Colour: White/Red/Green Display type: Digital Style: Digital Power supply: USB cable Shape: Rectangular Product size: 363 * 160 * 40mm Product weight: 497g Package size: 365x160x40mm Packaging weight: 610g Packing list: 1 digital clock 1 USB power cable 1 User Manual 1. The digital wall clock has clear contrast numbers, which are clear and eye-catching, and you can clearly see the time from 10 meters away. Switchable 12/24 hour clock. The time is accurate and it is friendly to the elderly and children. 2.3 Adjustable brightness, the digital wall clock can adjust the brightness of the numbers automatically/manually, there are 3 brightness levels to meet different needs, adjust the brightness according to the time; 3 different brightness levels, the brightness can be adjusted down at night, which does not affect rest and sleep, and the brightness can be adjusted up during the day, which makes it easy to read. 3. Multi-functional large digital wall clock with long USB cable, including time, date, humidity, temperature (switchable /), alarm clock functions, multi-directional monitoring of time, temperature, humidity and plays a certain role in monitoring your living environment, only one alarm can is set, it is not the main function. 4. As you know, LED screens require power. If you only use batteries for power supply, you need to change batteries often, so we use USB cable instead of batteries. On the one hand, it can reduce battery usage and protect the environment. On the other hand, via the USB cable, you can connect it to the adapter, power bank or computer, which is convenient. 5. The wall-mounted digital clock is quiet and will not cause noise that affects study and rest, so it is a good choice to hang in classrooms, libraries and offices. At the same time, it is very light, which means that it can be easily hung on the wall and does not easily fall off. It has hidden stands so it can be placed on a nightstand or desk.